Home / 1,424,941.30-2,137,411.95-359,986.42

Finding the Fourth Proportional to 1,424,941.30, 2,137,411.95 and 359,986.42

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Solution

The fourth proportional to 1,424,941.30, 2,137,411.95 and 359,986.42 is: 539,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,941.30 : 2,137,411.95 = 359,986.42 : x
  2. Step 2: Convert to fraction form
    1,424,941.30/2,137,411.95 = 359,986.42/x
  3. Step 3: Cross multiply
    1,424,941.30x = 2,137,411.95 × 359,986.42
  4. Step 4: Simplify right side
    1,424,941.30x = 769,439,275,945.72
  5. Step 5: Solve for x
    x = 769,439,275,945.72/1,424,941.30
  6. Step 6: Final answer
    x = 539,979.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.